Perhaps you should try some spelling variations:
"proceso control estadistico methodology." » "proceso control statistics methodology.", "proceso control statistical methodology.", "proceso contra estadistico methodology.", "proceso contralos estadistico methodology.", "proces contre estadistico methodology."
"process control sciences methodology." » "process control science methodology.", "process control sciences meteorology.", "process control science ethnology.", "process control civiles methodology.", "process control nociones methodology."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso control estadistico methodology.") or ("process control sciences methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("proceso control estadistico methodology.") OR ("process control sciences methodology.")).
• Removing quotes may allow a broader search: (( proceso control estadistico methodology. ) or ( process control sciences methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("proceso control estadistico methodology.") or ("process control sciences methodology."))*.